Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Oct. 10, 2017
Operating Loss Carryforwards [Line Items]
Effective income tax rate	10.20%
Shares of common stock issued (in shares)				1
Par value of common stock (in dollars per share)				$ 0.001
Income tax benefit	$ 981,000	$ 0	$ 0
Net income attributable to non-controlling interest	6,628,000	$ 0	$ 0
Provisional tax benefit related to the Tax Cuts and Jobs Act	$ 667,000
Switch, Ltd.
Operating Loss Carryforwards [Line Items]
Percent ownership held by non-controlling interests	85.50%
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Net operating losses	$ 4,800,000
State Jurisdiction
Operating Loss Carryforwards [Line Items]
Net operating losses	16,000
Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Net operating losses	$ 161,000